Building Construction
Grillage foundation

All listed here
Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
Is light and economical
Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity

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Building Construction
Rotary drilling

Is not economical for holes of less than 10 cm
Hinders the ground water observations and permeability test
Is not suitable for deposits containing very coarse gravel
All listed here

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